<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .container{
      border-radius: 5px;
      overflow: hidden;
    }
    .menu-item{
      width: 200px;
      border-bottom: 1px solid #dedede;
      /* border-radius: 5px; */
      padding: 10px;
      margin: 10px;
      list-style: none;
      position: relative;
    }
    ul,li{
      margin: 0;
      padding: 0;
    }
    /* .sub-list{
      position: absolute;
      width: 200px;
      top: 0;
      border: 1px solid rgba(0, 0, 0, 0.1);
      background-color: antiquewhite;
    } */
    .menu-list li{
      display: flex;
      justify-content: space-between;
    }
    .sub-list{
      text-align: right;
      color: #3367d6;
    }
    .sub-list li{
      padding: 5px;
      display: flex;
      justify-content: space-between;
      padding-left: 20px;
    }


  </style>
</head>
<body>
  <div class="container">
    <ul class="menu-list">
      <li id="call-background" class="menu-item">消息发送到background</li>
      <li id="get-tab" class="menu-item">拷贝当前页面cookie</li>
      <li id="set-cookie" class="menu-item"><span>注入cookie信息</span>
      <a id="clear" target="#">清空</a>
      </li>
    </ul>
        <ul class="sub-list"></ul>
  </div>
</body>
<script src="hello.js"></script>
</html>
